foxBMS  1.6.0
The foxBMS Battery Management System API Documentation
io.c
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41 
42 /**
43  * @file io.c
44  * @author foxBMS Team
45  * @date 2020-06-05 (date of creation)
46  * @updated 2023-10-12 (date of last update)
47  * @version v1.6.0
48  * @ingroup DRIVERS
49  * @prefix IO
50  *
51  * @brief Driver for the IO module
52  *
53  *
54  */
55 
56 /*========== Includes =======================================================*/
57 #include "io.h"
58 
59 #include "fassert.h"
60 #include "fstd_types.h"
61 #include "mcu.h"
62 
63 #include <stdint.h>
64 
65 /*========== Macros and Definitions =========================================*/
66 
67 /*========== Static Constant and Variable Definitions =======================*/
68 
69 /*========== Extern Constant and Variable Definitions =======================*/
70 
71 /*========== Static Function Prototypes =====================================*/
72 
73 /*========== Static Function Implementations ================================*/
74 
75 /*========== Extern Function Implementations ================================*/
76 
77 extern void IO_SetPinDirectionToOutput(volatile uint32_t *pRegisterAddress, uint32_t pin) {
78  FAS_ASSERT(pRegisterAddress != NULL_PTR);
80 
81  *pRegisterAddress |= (uint32_t)((uint32_t)1u << pin);
82 }
83 
84 extern void IO_SetPinDirectionToInput(volatile uint32_t *pRegisterAddress, uint32_t pin) {
85  FAS_ASSERT(pRegisterAddress != NULL_PTR);
87 
88  *pRegisterAddress &= ~(uint32_t)((uint32_t)1u << pin);
89 }
90 
91 extern void IO_PinSet(volatile uint32_t *pRegisterAddress, uint32_t pin) {
92  FAS_ASSERT(pRegisterAddress != NULL_PTR);
94 
95  *pRegisterAddress |= (uint32_t)((uint32_t)1u << pin);
96 }
97 
98 extern void IO_PinReset(volatile uint32_t *pRegisterAddress, uint32_t pin) {
99  FAS_ASSERT(pRegisterAddress != NULL_PTR);
101 
102  *pRegisterAddress &= ~(uint32_t)((uint32_t)1u << pin);
103 }
104 
105 extern STD_PIN_STATE_e IO_PinGet(const volatile uint32_t *pRegisterAddress, uint32_t pin) {
106  FAS_ASSERT(pRegisterAddress != NULL_PTR);
108 
110  uint8_t pinState = (uint8_t)((*pRegisterAddress & ((uint32_t)1u << (pin))) >> pin);
111 
112  /* pinState 0 equals a low level */
113  if (pinState == 0u) {
114  retval = STD_PIN_LOW;
115  } else {
116  retval = STD_PIN_HIGH;
117  }
118  return retval;
119 }
120 
121 /*========== Externalized Static Function Implementations (Unit Test) =======*/
122 #ifdef UNITY_UNIT_TEST
123 #endif
Assert macro implementation.
#define FAS_ASSERT(x)
Assertion macro that asserts that x is true.
Definition: fassert.h:255
Definition of foxBMS standard types.
#define NULL_PTR
Null pointer.
Definition: fstd_types.h:77
STD_PIN_STATE_e
Definition: fstd_types.h:88
@ STD_PIN_UNDEFINED
Definition: fstd_types.h:91
@ STD_PIN_LOW
Definition: fstd_types.h:89
@ STD_PIN_HIGH
Definition: fstd_types.h:90
void IO_SetPinDirectionToOutput(volatile uint32_t *pRegisterAddress, uint32_t pin)
Set pin to output by writing in pin direction register.
Definition: io.c:77
void IO_SetPinDirectionToInput(volatile uint32_t *pRegisterAddress, uint32_t pin)
Set pin to input by writing in pin direction register.
Definition: io.c:84
void IO_PinSet(volatile uint32_t *pRegisterAddress, uint32_t pin)
Set pin by writing in pin output register.
Definition: io.c:91
void IO_PinReset(volatile uint32_t *pRegisterAddress, uint32_t pin)
Reset pin by writing in pin output register.
Definition: io.c:98
STD_PIN_STATE_e IO_PinGet(const volatile uint32_t *pRegisterAddress, uint32_t pin)
Get pin state.
Definition: io.c:105
Header for the driver for the IO module.
Headers for the driver for the MCU module.
#define MCU_LARGEST_PIN_NUMBER
largest pin number that exists in TMS570LC4357
Definition: mcu.h:69